| Tualatin to Collegno | 5,490.54 mi (8,836.17 km) |
| Tualatin to Cologno al Serio | 5,516.37 mi (8,877.74 km) |
| Tualatin to Cologno Monzese | 5,508.80 mi (8,865.56 km) |
| Tualatin to Colorno | 5,572.03 mi (8,967.31 km) |
| Tualatin to Comacchio | 5,630.96 mi (9,062.16 km) |
| Tualatin to Comiso | 6,159.82 mi (9,913.28 km) |
| Tualatin to Como | 5,487.38 mi (8,831.09 km) |
| Tualatin to Concordia Sagittaria | 5,583.36 mi (8,985.56 km) |
| Tualatin to Concorezzo | 5,506.70 mi (8,862.18 km) |
| Tualatin to Conegliano | 5,562.87 mi (8,952.57 km) |
| Tualatin to Conselice | 5,633.22 mi (9,065.80 km) |
| Tualatin to Conselve | 5,591.34 mi (8,998.39 km) |
| Tualatin to Conversano | 5,976.88 mi (9,618.87 km) |
| Tualatin to Copertino | 6,042.07 mi (9,723.78 km) |
| Tualatin to Copparo | 5,610.38 mi (9,029.03 km) |
