| Callaway to Noventa Vicentina | 5,088.17 mi (8,188.62 km) |
| Callaway to Novi di Modena | 5,072.54 mi (8,163.46 km) |
| Callaway to Novi Ligure | 4,983.11 mi (8,019.53 km) |
| Callaway to Nuoro | 5,141.81 mi (8,274.94 km) |
| Callaway to Occhiobello | 5,101.46 mi (8,210.01 km) |
| Callaway to Oderzo | 5,114.13 mi (8,230.40 km) |
| Callaway to Oggiono | 4,978.01 mi (8,011.33 km) |
| Callaway to Olbia | 5,131.12 mi (8,257.74 km) |
| Callaway to Oleggio | 4,951.96 mi (7,969.40 km) |
| Callaway to Olgiate Comasco | 4,961.26 mi (7,984.38 km) |
| Callaway to Olgiate Olona | 4,961.97 mi (7,985.51 km) |
| Callaway to Omegna | 4,934.04 mi (7,940.57 km) |
| Callaway to Opera | 4,983.89 mi (8,020.80 km) |
| Callaway to Oppeano | 5,072.43 mi (8,163.28 km) |
| Callaway to Orbassano | 4,920.39 mi (7,918.60 km) |
