| Seia to Butzbach | 1,048.66 mi (1,687.66 km) |
| Seia to Buxtehude | 1,213.13 mi (1,952.34 km) |
| Seia to Cadolzburg | 1,097.07 mi (1,765.56 km) |
| Seia to Calbe | 1,217.13 mi (1,958.78 km) |
| Seia to Calw | 988.05 mi (1,590.11 km) |
| Seia to Castrop-Rauxel | 1,050.06 mi (1,689.91 km) |
| Seia to Celle | 1,187.87 mi (1,911.70 km) |
| Seia to Cham | 1,162.43 mi (1,870.74 km) |
| Seia to Chemnitz | 1,221.98 mi (1,966.59 km) |
| Seia to Clausthal-Zellerfeld | 1,162.49 mi (1,870.84 km) |
| Seia to Cloppenburg | 1,133.31 mi (1,823.89 km) |
| Seia to Coburg | 1,128.13 mi (1,815.55 km) |
| Seia to Coesfeld | 1,063.74 mi (1,711.93 km) |
| Seia to Cologne | 1,010.46 mi (1,626.18 km) |
| Seia to Coswig | 1,257.31 mi (2,023.44 km) |
