| Tigard to Cividale del Friuli | 5,574.65 mi (8,971.54 km) |
| Tigard to Civita Castellana | 5,777.97 mi (9,298.74 km) |
| Tigard to Civitanova Marche | 5,750.60 mi (9,254.69 km) |
| Tigard to Civitavecchia | 5,774.08 mi (9,292.48 km) |
| Tigard to Civitella in Val di Chiana | 5,693.37 mi (9,162.60 km) |
| Tigard to Clusone | 5,502.57 mi (8,855.53 km) |
| Tigard to Coccaglio | 5,522.12 mi (8,886.99 km) |
| Tigard to Codigoro | 5,618.83 mi (9,042.64 km) |
| Tigard to Codogno | 5,538.89 mi (8,913.98 km) |
| Tigard to Codroipo | 5,572.15 mi (8,967.51 km) |
| Tigard to Cogoleto | 5,556.56 mi (8,942.42 km) |
| Tigard to Colle di Val d'Elsa | 5,679.50 mi (9,140.27 km) |
| Tigard to Colle Salvetti | 5,650.92 mi (9,094.28 km) |
| Tigard to Collecchio | 5,576.12 mi (8,973.90 km) |
| Tigard to Colleferro | 5,827.17 mi (9,377.93 km) |
