| Barstow to Noventa Vicentina | 6,035.40 mi (9,713.04 km) |
| Barstow to Novi di Modena | 6,036.10 mi (9,714.17 km) |
| Barstow to Novi Ligure | 5,974.97 mi (9,615.78 km) |
| Barstow to Nuoro | 6,223.16 mi (10,015.21 km) |
| Barstow to Occhiobello | 6,056.07 mi (9,746.30 km) |
| Barstow to Oderzo | 6,038.55 mi (9,718.10 km) |
| Barstow to Oggiono | 5,940.31 mi (9,560.00 km) |
| Barstow to Olbia | 6,197.78 mi (9,974.37 km) |
| Barstow to Oleggio | 5,926.75 mi (9,538.19 km) |
| Barstow to Olgiate Comasco | 5,928.05 mi (9,540.27 km) |
| Barstow to Olgiate Olona | 5,933.10 mi (9,548.41 km) |
| Barstow to Omegna | 5,905.17 mi (9,503.46 km) |
| Barstow to Opera | 5,956.74 mi (9,586.44 km) |
| Barstow to Oppeano | 6,023.57 mi (9,694.00 km) |
| Barstow to Orbassano | 5,921.20 mi (9,529.25 km) |
