| Rancho San Diego to Noventa Vicentina | 6,152.69 mi (9,901.80 km) |
| Rancho San Diego to Novi di Modena | 6,152.49 mi (9,901.48 km) |
| Rancho San Diego to Novi Ligure | 6,089.49 mi (9,800.08 km) |
| Rancho San Diego to Nuoro | 6,333.34 mi (10,192.53 km) |
| Rancho San Diego to Occhiobello | 6,173.04 mi (9,934.55 km) |
| Rancho San Diego to Oderzo | 6,157.08 mi (9,908.86 km) |
| Rancho San Diego to Oggiono | 6,056.35 mi (9,746.75 km) |
| Rancho San Diego to Olbia | 6,308.78 mi (10,153.00 km) |
| Rancho San Diego to Oleggio | 6,042.04 mi (9,723.72 km) |
| Rancho San Diego to Olgiate Comasco | 6,043.79 mi (9,726.54 km) |
| Rancho San Diego to Olgiate Olona | 6,048.62 mi (9,734.31 km) |
| Rancho San Diego to Omegna | 6,020.57 mi (9,689.16 km) |
| Rancho San Diego to Opera | 6,072.26 mi (9,772.36 km) |
| Rancho San Diego to Oppeano | 6,140.59 mi (9,882.33 km) |
| Rancho San Diego to Orbassano | 6,034.96 mi (9,712.33 km) |
