| Olney to Carmignano | 4,345.03 mi (6,992.66 km) |
| Olney to Carovigno | 4,747.33 mi (7,640.08 km) |
| Olney to Carpenedolo | 4,268.09 mi (6,868.82 km) |
| Olney to Carpi | 4,306.70 mi (6,930.96 km) |
| Olney to Carrara | 4,296.37 mi (6,914.35 km) |
| Olney to Carugate | 4,215.09 mi (6,783.54 km) |
| Olney to Casal di Principe | 4,580.62 mi (7,371.80 km) |
| Olney to Casale Monferrato | 4,190.77 mi (6,744.39 km) |
| Olney to Casale sul Sile | 4,340.89 mi (6,985.98 km) |
| Olney to Casalecchio di Reno | 4,333.96 mi (6,974.84 km) |
| Olney to Casalgrande | 4,306.94 mi (6,931.35 km) |
| Olney to Casalmaggiore | 4,279.85 mi (6,887.76 km) |
| Olney to Casalnuovo di Napoli | 4,593.87 mi (7,393.12 km) |
| Olney to Casalpusterlengo | 4,240.72 mi (6,824.79 km) |
| Olney to Casaluce | 4,584.18 mi (7,377.52 km) |
