| Sumter to Noventa Vicentina | 4,687.64 mi (7,544.03 km) |
| Sumter to Novi di Modena | 4,671.95 mi (7,518.78 km) |
| Sumter to Novi Ligure | 4,582.52 mi (7,374.86 km) |
| Sumter to Nuoro | 4,742.44 mi (7,632.21 km) |
| Sumter to Occhiobello | 4,700.89 mi (7,565.36 km) |
| Sumter to Oderzo | 4,713.73 mi (7,586.01 km) |
| Sumter to Oggiono | 4,577.45 mi (7,366.70 km) |
| Sumter to Olbia | 4,731.43 mi (7,614.51 km) |
| Sumter to Oleggio | 4,551.37 mi (7,324.72 km) |
| Sumter to Olgiate Comasco | 4,560.70 mi (7,339.73 km) |
| Sumter to Olgiate Olona | 4,561.38 mi (7,340.84 km) |
| Sumter to Omegna | 4,533.46 mi (7,295.90 km) |
| Sumter to Opera | 4,583.30 mi (7,376.12 km) |
| Sumter to Oppeano | 4,671.88 mi (7,518.67 km) |
| Sumter to Orbassano | 4,519.82 mi (7,273.94 km) |
