Guam vs Papua New Guinea

Guam has no monthly cost data yet; Papua New Guinea has no monthly cost data yet — not enough data to call a winner.

Guam has no safety score data yet; Papua New Guinea has no safety score data yet — not enough data to call a winner.

Guam has no mobility score data yet; Papua New Guinea has no mobility score data yet — not enough data to call a winner.

Guam has no culture score data yet; Papua New Guinea has no culture score data yet — not enough data to call a winner.

Papua New Guinea's passport reaches 45 destinations visa-free; Guam has no passport baseline yet. Not scored in the tally.

Guam is better connected: 3.8M passengers/yr against Papua New Guinea's 1.4M passengers/yr. Guam is quieter than 72 of 87 countries worldwide; Papua New Guinea is quieter than 84 of 87 countries worldwide. Guam sees ~23 air passengers per resident a year; Papua New Guinea sees ~16 air passengers per 100 residents a year — a derived figure, not itself ranked.

Guam runs 22°C to 34°C for most people; Papua New Guinea runs 20°C to 33°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.