| Porto to Butzbach | 1,046.33 mi (1,683.90 km) |
| Porto to Buxtehude | 1,201.78 mi (1,934.08 km) |
| Porto to Cadolzburg | 1,101.85 mi (1,773.25 km) |
| Porto to Calbe | 1,213.92 mi (1,953.62 km) |
| Porto to Calw | 992.98 mi (1,598.05 km) |
| Porto to Castrop-Rauxel | 1,041.19 mi (1,675.63 km) |
| Porto to Celle | 1,179.85 mi (1,898.78 km) |
| Porto to Cham | 1,170.17 mi (1,883.20 km) |
| Porto to Chemnitz | 1,223.95 mi (1,969.75 km) |
| Porto to Clausthal-Zellerfeld | 1,157.64 mi (1,863.05 km) |
| Porto to Cloppenburg | 1,121.30 mi (1,804.56 km) |
| Porto to Coburg | 1,129.83 mi (1,818.28 km) |
| Porto to Coesfeld | 1,053.18 mi (1,694.93 km) |
| Porto to Cologne | 1,003.19 mi (1,614.47 km) |
| Porto to Coswig | 1,258.94 mi (2,026.07 km) |
