| Oldsmar to Collegno | 4,885.66 mi (7,862.71 km) |
| Oldsmar to Cologno al Serio | 4,969.18 mi (7,997.13 km) |
| Oldsmar to Cologno Monzese | 4,951.65 mi (7,968.91 km) |
| Oldsmar to Colorno | 5,016.95 mi (8,074.00 km) |
| Oldsmar to Comacchio | 5,104.40 mi (8,214.74 km) |
| Oldsmar to Comiso | 5,447.80 mi (8,767.39 km) |
| Oldsmar to Como | 4,935.86 mi (7,943.50 km) |
| Oldsmar to Concordia Sagittaria | 5,104.33 mi (8,214.62 km) |
| Oldsmar to Concorezzo | 4,952.68 mi (7,970.56 km) |
| Oldsmar to Conegliano | 5,076.63 mi (8,170.05 km) |
| Oldsmar to Conselice | 5,093.71 mi (8,197.54 km) |
| Oldsmar to Conselve | 5,075.48 mi (8,168.20 km) |
| Oldsmar to Conversano | 5,441.32 mi (8,756.96 km) |
| Oldsmar to Copertino | 5,507.20 mi (8,862.99 km) |
| Oldsmar to Copparo | 5,083.14 mi (8,180.53 km) |
