| Walnut Creek to Noventa Vicentina | 6,005.10 mi (9,664.27 km) |
| Walnut Creek to Novi di Modena | 6,009.38 mi (9,671.16 km) |
| Walnut Creek to Novi Ligure | 5,955.87 mi (9,585.05 km) |
| Walnut Creek to Nuoro | 6,219.15 mi (10,008.75 km) |
| Walnut Creek to Occhiobello | 6,026.93 mi (9,699.41 km) |
| Walnut Creek to Oderzo | 6,003.18 mi (9,661.19 km) |
| Walnut Creek to Oggiono | 5,915.42 mi (9,519.94 km) |
| Walnut Creek to Olbia | 6,190.89 mi (9,963.27 km) |
| Walnut Creek to Oleggio | 5,904.92 mi (9,503.06 km) |
| Walnut Creek to Olgiate Comasco | 5,904.42 mi (9,502.24 km) |
| Walnut Creek to Olgiate Olona | 5,910.32 mi (9,511.74 km) |
| Walnut Creek to Omegna | 5,883.01 mi (9,467.78 km) |
| Walnut Creek to Opera | 5,933.81 mi (9,549.55 km) |
| Walnut Creek to Oppeano | 5,994.39 mi (9,647.03 km) |
| Walnut Creek to Orbassano | 5,905.28 mi (9,503.62 km) |
