| Southwick to Noventa Vicentina | 664.12 mi (1,068.80 km) |
| Southwick to Novi di Modena | 658.53 mi (1,059.80 km) |
| Southwick to Novi Ligure | 592.26 mi (953.15 km) |
| Southwick to Nuoro | 860.13 mi (1,384.25 km) |
| Southwick to Occhiobello | 682.06 mi (1,097.66 km) |
| Southwick to Oderzo | 680.06 mi (1,094.45 km) |
| Southwick to Oggiono | 561.43 mi (903.53 km) |
| Southwick to Olbia | 828.62 mi (1,333.54 km) |
| Southwick to Oleggio | 544.95 mi (877.02 km) |
| Southwick to Olgiate Comasco | 547.79 mi (881.58 km) |
| Southwick to Olgiate Olona | 551.99 mi (888.34 km) |
| Southwick to Omegna | 523.71 mi (842.83 km) |
| Southwick to Opera | 575.60 mi (926.34 km) |
| Southwick to Oppeano | 650.32 mi (1,046.58 km) |
| Southwick to Orbassano | 539.62 mi (868.43 km) |
