| Horbury to Noventa Vicentina | 822.40 mi (1,323.53 km) |
| Horbury to Novi di Modena | 823.63 mi (1,325.50 km) |
| Horbury to Novi Ligure | 770.42 mi (1,239.87 km) |
| Horbury to Nuoro | 1,052.43 mi (1,693.71 km) |
| Horbury to Occhiobello | 843.02 mi (1,356.72 km) |
| Horbury to Oderzo | 828.15 mi (1,332.79 km) |
| Horbury to Oggiono | 728.80 mi (1,172.88 km) |
| Horbury to Olbia | 1,018.94 mi (1,639.82 km) |
| Horbury to Oleggio | 718.31 mi (1,156.01 km) |
| Horbury to Olgiate Comasco | 717.60 mi (1,154.86 km) |
| Horbury to Olgiate Olona | 723.52 mi (1,164.40 km) |
| Horbury to Omegna | 696.34 mi (1,120.64 km) |
| Horbury to Opera | 747.00 mi (1,202.18 km) |
| Horbury to Oppeano | 810.52 mi (1,304.40 km) |
| Horbury to Orbassano | 723.32 mi (1,164.08 km) |
