| Idaho Falls to Noventa Vicentina | 5,393.96 mi (8,680.74 km) |
| Idaho Falls to Novi di Modena | 5,395.97 mi (8,683.98 km) |
| Idaho Falls to Novi Ligure | 5,337.80 mi (8,590.36 km) |
| Idaho Falls to Nuoro | 5,593.10 mi (9,001.23 km) |
| Idaho Falls to Occhiobello | 5,415.07 mi (8,714.71 km) |
| Idaho Falls to Oderzo | 5,395.37 mi (8,683.02 km) |
| Idaho Falls to Oggiono | 5,300.79 mi (8,530.79 km) |
| Idaho Falls to Olbia | 5,566.29 mi (8,958.08 km) |
| Idaho Falls to Oleggio | 5,288.42 mi (8,510.89 km) |
| Idaho Falls to Olgiate Comasco | 5,289.00 mi (8,511.83 km) |
| Idaho Falls to Olgiate Olona | 5,294.40 mi (8,520.51 km) |
| Idaho Falls to Omegna | 5,266.69 mi (8,475.91 km) |
| Idaho Falls to Opera | 5,318.00 mi (8,558.49 km) |
| Idaho Falls to Oppeano | 5,382.52 mi (8,662.33 km) |
| Idaho Falls to Orbassano | 5,285.32 mi (8,505.90 km) |
