| Olney to Noventa Vicentina | 4,317.71 mi (6,948.68 km) |
| Olney to Novi di Modena | 4,303.78 mi (6,926.26 km) |
| Olney to Novi Ligure | 4,216.98 mi (6,786.57 km) |
| Olney to Nuoro | 4,390.32 mi (7,065.54 km) |
| Olney to Occhiobello | 4,331.92 mi (6,971.55 km) |
| Olney to Oderzo | 4,341.48 mi (6,986.93 km) |
| Olney to Oggiono | 4,208.31 mi (6,772.63 km) |
| Olney to Olbia | 4,377.11 mi (7,044.28 km) |
| Olney to Oleggio | 4,183.48 mi (6,732.66 km) |
| Olney to Olgiate Comasco | 4,191.94 mi (6,746.27 km) |
| Olney to Olgiate Olona | 4,193.15 mi (6,748.22 km) |
| Olney to Omegna | 4,164.98 mi (6,702.89 km) |
| Olney to Opera | 4,215.46 mi (6,784.13 km) |
| Olney to Oppeano | 4,302.26 mi (6,923.83 km) |
| Olney to Orbassano | 4,154.83 mi (6,686.56 km) |
