| Ollerton to Collegno | 681.46 mi (1,096.70 km) |
| Ollerton to Cologno al Serio | 712.21 mi (1,146.19 km) |
| Ollerton to Cologno Monzese | 702.65 mi (1,130.80 km) |
| Ollerton to Colorno | 768.05 mi (1,236.06 km) |
| Ollerton to Comacchio | 836.46 mi (1,346.15 km) |
| Ollerton to Comiso | 1,350.53 mi (2,173.47 km) |
| Ollerton to Como | 681.56 mi (1,096.87 km) |
| Ollerton to Concordia Sagittaria | 804.69 mi (1,295.02 km) |
| Ollerton to Concorezzo | 701.00 mi (1,128.14 km) |
| Ollerton to Conegliano | 779.99 mi (1,255.27 km) |
| Ollerton to Conselice | 835.05 mi (1,343.88 km) |
| Ollerton to Conselve | 798.55 mi (1,285.15 km) |
| Ollerton to Conversano | 1,194.52 mi (1,922.40 km) |
| Ollerton to Copertino | 1,262.88 mi (2,032.41 km) |
| Ollerton to Copparo | 814.79 mi (1,311.28 km) |
