| Ollerton to Noventa Vicentina | 785.21 mi (1,263.67 km) |
| Ollerton to Novi di Modena | 785.94 mi (1,264.85 km) |
| Ollerton to Novi Ligure | 731.98 mi (1,178.01 km) |
| Ollerton to Nuoro | 1,013.77 mi (1,631.50 km) |
| Ollerton to Occhiobello | 805.65 mi (1,296.56 km) |
| Ollerton to Oderzo | 791.82 mi (1,274.30 km) |
| Ollerton to Oggiono | 690.88 mi (1,111.86 km) |
| Ollerton to Olbia | 980.26 mi (1,577.57 km) |
| Ollerton to Oleggio | 680.06 mi (1,094.45 km) |
| Ollerton to Olgiate Comasco | 679.53 mi (1,093.59 km) |
| Ollerton to Olgiate Olona | 685.37 mi (1,102.99 km) |
| Ollerton to Omegna | 658.10 mi (1,059.11 km) |
| Ollerton to Opera | 708.87 mi (1,140.81 km) |
| Ollerton to Oppeano | 773.16 mi (1,244.29 km) |
| Ollerton to Orbassano | 684.70 mi (1,101.92 km) |
