| Porsgrunn to Calafell | 1,286.96 mi (2,071.17 km) |
| Porsgrunn to Calahorra | 1,264.93 mi (2,035.71 km) |
| Porsgrunn to Calasparra | 1,529.06 mi (2,460.79 km) |
| Porsgrunn to Calatayud | 1,321.65 mi (2,127.00 km) |
| Porsgrunn to Caldas de Montbuy | 1,250.95 mi (2,013.20 km) |
| Porsgrunn to Caldas de Reyes | 1,383.54 mi (2,226.60 km) |
| Porsgrunn to Calella | 1,246.63 mi (2,006.26 km) |
| Porsgrunn to Callosa de Segura | 1,524.67 mi (2,453.73 km) |
| Porsgrunn to Calpe | 1,477.46 mi (2,377.74 km) |
| Porsgrunn to Calvia | 1,387.26 mi (2,232.58 km) |
| Porsgrunn to Camas | 1,656.26 mi (2,665.50 km) |
| Porsgrunn to Cambados | 1,393.69 mi (2,242.93 km) |
| Porsgrunn to Cambre | 1,334.86 mi (2,148.25 km) |
| Porsgrunn to Cambrils | 1,302.15 mi (2,095.62 km) |
| Porsgrunn to Campo de Criptana | 1,473.98 mi (2,372.14 km) |
