| Tigard to Cortona | 5,708.66 mi (9,187.21 km) |
| Tigard to Cosenza | 6,055.84 mi (9,745.94 km) |
| Tigard to Cossato | 5,475.34 mi (8,811.72 km) |
| Tigard to Costa Volpino | 5,509.43 mi (8,866.57 km) |
| Tigard to Creazzo | 5,561.51 mi (8,950.38 km) |
| Tigard to Crema | 5,526.19 mi (8,893.54 km) |
| Tigard to Cremona | 5,548.84 mi (8,930.00 km) |
| Tigard to Crevalcore | 5,601.72 mi (9,015.10 km) |
| Tigard to Crispiano | 5,999.66 mi (9,655.53 km) |
| Tigard to Crosia | 6,052.10 mi (9,739.91 km) |
| Tigard to Crotone | 6,090.35 mi (9,801.47 km) |
| Tigard to Cuneo | 5,527.77 mi (8,896.09 km) |
| Tigard to Cuorgne | 5,472.06 mi (8,806.43 km) |
| Tigard to Cusano Milanino | 5,502.63 mi (8,855.63 km) |
| Tigard to Cutro | 6,090.20 mi (9,801.23 km) |
