| Tigard to Collegno | 5,488.11 mi (8,832.26 km) |
| Tigard to Cologno al Serio | 5,513.88 mi (8,873.73 km) |
| Tigard to Cologno Monzese | 5,506.32 mi (8,861.57 km) |
| Tigard to Colorno | 5,569.54 mi (8,963.30 km) |
| Tigard to Comacchio | 5,628.44 mi (9,058.09 km) |
| Tigard to Comiso | 6,157.38 mi (9,909.34 km) |
| Tigard to Como | 5,484.90 mi (8,827.10 km) |
| Tigard to Concordia Sagittaria | 5,580.80 mi (8,981.43 km) |
| Tigard to Concorezzo | 5,504.22 mi (8,858.18 km) |
| Tigard to Conegliano | 5,560.32 mi (8,948.47 km) |
| Tigard to Conselice | 5,630.71 mi (9,061.75 km) |
| Tigard to Conselve | 5,588.81 mi (8,994.32 km) |
| Tigard to Conversano | 5,974.31 mi (9,614.72 km) |
| Tigard to Copertino | 6,039.48 mi (9,719.61 km) |
| Tigard to Copparo | 5,607.85 mi (9,024.97 km) |
