| West Des Moines to Noventa Vicentina | 4,877.51 mi (7,849.60 km) |
| West Des Moines to Novi di Modena | 4,871.16 mi (7,839.38 km) |
| West Des Moines to Novi Ligure | 4,796.79 mi (7,719.68 km) |
| West Des Moines to Nuoro | 5,013.44 mi (8,068.35 km) |
| West Des Moines to Occhiobello | 4,895.41 mi (7,878.39 km) |
| West Des Moines to Oderzo | 4,890.73 mi (7,870.87 km) |
| West Des Moines to Oggiono | 4,773.93 mi (7,682.90 km) |
| West Des Moines to Olbia | 4,993.39 mi (8,036.08 km) |
| West Des Moines to Oleggio | 4,754.78 mi (7,652.07 km) |
| West Des Moines to Olgiate Comasco | 4,759.50 mi (7,659.68 km) |
| West Des Moines to Olgiate Olona | 4,762.81 mi (7,665.00 km) |
| West Des Moines to Omegna | 4,734.30 mi (7,619.12 km) |
| West Des Moines to Opera | 4,786.20 mi (7,702.65 km) |
| West Des Moines to Oppeano | 4,863.73 mi (7,827.42 km) |
| West Des Moines to Orbassano | 4,738.21 mi (7,625.41 km) |
