| Tualatin to Cortona | 5,711.16 mi (9,191.23 km) |
| Tualatin to Cosenza | 6,058.37 mi (9,750.01 km) |
| Tualatin to Cossato | 5,477.80 mi (8,815.67 km) |
| Tualatin to Costa Volpino | 5,511.93 mi (8,870.60 km) |
| Tualatin to Creazzo | 5,564.03 mi (8,954.45 km) |
| Tualatin to Crema | 5,528.67 mi (8,897.53 km) |
| Tualatin to Cremona | 5,551.33 mi (8,934.00 km) |
| Tualatin to Crevalcore | 5,604.23 mi (9,019.13 km) |
| Tualatin to Crispiano | 6,002.24 mi (9,659.67 km) |
| Tualatin to Crosia | 6,054.64 mi (9,744.00 km) |
| Tualatin to Crotone | 6,092.89 mi (9,805.57 km) |
| Tualatin to Cuneo | 5,530.19 mi (8,899.97 km) |
| Tualatin to Cuorgne | 5,474.50 mi (8,810.35 km) |
| Tualatin to Cusano Milanino | 5,505.11 mi (8,859.62 km) |
| Tualatin to Cutro | 6,092.74 mi (9,805.32 km) |
