| Holt to Noventa Vicentina | 4,473.27 mi (7,199.04 km) |
| Holt to Novi di Modena | 4,464.11 mi (7,184.29 km) |
| Holt to Novi Ligure | 4,384.91 mi (7,056.82 km) |
| Holt to Nuoro | 4,587.17 mi (7,382.33 km) |
| Holt to Occhiobello | 4,489.89 mi (7,225.77 km) |
| Holt to Oderzo | 4,490.47 mi (7,226.72 km) |
| Holt to Oggiono | 4,367.11 mi (7,028.18 km) |
| Holt to Olbia | 4,569.40 mi (7,353.73 km) |
| Holt to Oleggio | 4,345.80 mi (6,993.89 km) |
| Holt to Olgiate Comasco | 4,351.90 mi (7,003.71 km) |
| Holt to Olgiate Olona | 4,354.46 mi (7,007.82 km) |
| Holt to Omegna | 4,325.95 mi (6,961.95 km) |
| Holt to Opera | 4,377.56 mi (7,045.00 km) |
| Holt to Oppeano | 4,458.82 mi (7,175.78 km) |
| Holt to Orbassano | 4,324.80 mi (6,960.10 km) |
