| Olney to Cassina de' Pecchi | 4,217.60 mi (6,787.57 km) |
| Olney to Cassino | 4,549.72 mi (7,322.07 km) |
| Olney to Castagneto Carducci | 4,348.96 mi (6,998.97 km) |
| Olney to Castano Primo | 4,190.80 mi (6,744.44 km) |
| Olney to Castel Bolognese | 4,361.83 mi (7,019.70 km) |
| Olney to Castel Gandolfo | 4,488.77 mi (7,223.98 km) |
| Olney to Castel Goffredo | 4,272.13 mi (6,875.32 km) |
| Olney to Castel Maggiore | 4,334.73 mi (6,976.07 km) |
| Olney to Castel Mella | 4,251.62 mi (6,842.33 km) |
| Olney to Castel San Giorgio | 4,614.25 mi (7,425.92 km) |
| Olney to Castel San Giovanni | 4,235.56 mi (6,816.47 km) |
| Olney to Castel San Pietro Terme | 4,349.68 mi (7,000.14 km) |
| Olney to Castel Volturno | 4,569.83 mi (7,354.44 km) |
| Olney to Castelbuono | 4,694.17 mi (7,554.53 km) |
| Olney to Casteldaccia | 4,663.91 mi (7,505.83 km) |
