| Porsgrunn to Chateaubriant | 907.65 mi (1,460.72 km) |
| Porsgrunn to Chateaudun | 835.29 mi (1,344.27 km) |
| Porsgrunn to Chateauneuf-les-Martigues | 1,104.01 mi (1,776.74 km) |
| Porsgrunn to Chateaurenard | 1,072.32 mi (1,725.74 km) |
| Porsgrunn to Chateauroux | 911.83 mi (1,467.44 km) |
| Porsgrunn to Chatellerault | 929.35 mi (1,495.65 km) |
| Porsgrunn to Chatenay-Malabry | 775.27 mi (1,247.67 km) |
| Porsgrunn to Chatillon | 772.83 mi (1,243.75 km) |
| Porsgrunn to Chatou | 769.10 mi (1,237.74 km) |
| Porsgrunn to Chaumont | 782.58 mi (1,259.45 km) |
| Porsgrunn to Chauny | 705.69 mi (1,135.69 km) |
| Porsgrunn to Chaville | 773.86 mi (1,245.40 km) |
| Porsgrunn to Checy | 835.89 mi (1,345.23 km) |
| Porsgrunn to Chelles | 762.66 mi (1,227.38 km) |
| Porsgrunn to Chennevieres-sur-Marne | 769.20 mi (1,237.91 km) |
