| Porsgrunn to Campos del Puerto | 1,391.49 mi (2,239.38 km) |
| Porsgrunn to Canals | 1,464.59 mi (2,357.03 km) |
| Porsgrunn to Candelaria | 2,458.29 mi (3,956.23 km) |
| Porsgrunn to Canet de Mar | 1,249.24 mi (2,010.45 km) |
| Porsgrunn to Cangas | 1,407.64 mi (2,265.37 km) |
| Porsgrunn to Cangas de Narcea | 1,299.85 mi (2,091.91 km) |
| Porsgrunn to Canovellas | 1,250.71 mi (2,012.82 km) |
| Porsgrunn to Canteras | 1,561.05 mi (2,512.27 km) |
| Porsgrunn to Cantillana | 1,639.35 mi (2,638.28 km) |
| Porsgrunn to Capdepera | 1,369.40 mi (2,203.84 km) |
| Porsgrunn to Carballo | 1,347.39 mi (2,168.41 km) |
| Porsgrunn to Carcagente | 1,451.97 mi (2,336.72 km) |
| Porsgrunn to Cardedeu | 1,248.30 mi (2,008.94 km) |
| Porsgrunn to Carlet | 1,445.99 mi (2,327.09 km) |
| Porsgrunn to Carmona | 1,644.61 mi (2,646.74 km) |
