| Des Moines to Noventa Vicentina | 4,870.20 mi (7,837.83 km) |
| Des Moines to Novi di Modena | 4,863.80 mi (7,827.53 km) |
| Des Moines to Novi Ligure | 4,789.32 mi (7,707.67 km) |
| Des Moines to Nuoro | 5,005.70 mi (8,055.90 km) |
| Des Moines to Occhiobello | 4,888.07 mi (7,866.59 km) |
| Des Moines to Oderzo | 4,883.50 mi (7,859.23 km) |
| Des Moines to Oggiono | 4,766.57 mi (7,671.05 km) |
| Des Moines to Olbia | 4,985.70 mi (8,023.70 km) |
| Des Moines to Oleggio | 4,747.37 mi (7,640.15 km) |
| Des Moines to Olgiate Comasco | 4,752.12 mi (7,647.80 km) |
| Des Moines to Olgiate Olona | 4,755.41 mi (7,653.10 km) |
| Des Moines to Omegna | 4,726.91 mi (7,607.22 km) |
| Des Moines to Opera | 4,778.80 mi (7,690.74 km) |
| Des Moines to Oppeano | 4,856.41 mi (7,815.64 km) |
| Des Moines to Orbassano | 4,730.72 mi (7,613.35 km) |
