| Porsgrunn to Campodarsego | 945.22 mi (1,521.19 km) |
| Porsgrunn to Campogalliano | 998.32 mi (1,606.64 km) |
| Porsgrunn to Campolongo Maggiore | 957.25 mi (1,540.55 km) |
| Porsgrunn to Camponogara | 953.88 mi (1,535.12 km) |
| Porsgrunn to Camposampiero | 940.70 mi (1,513.91 km) |
| Porsgrunn to Canegrate | 936.70 mi (1,507.47 km) |
| Porsgrunn to Canelli | 996.36 mi (1,603.49 km) |
| Porsgrunn to Canicatti | 1,514.04 mi (2,436.61 km) |
| Porsgrunn to Canosa di Puglia | 1,266.92 mi (2,038.90 km) |
| Porsgrunn to Cantu | 924.94 mi (1,488.54 km) |
| Porsgrunn to Caorle | 943.12 mi (1,517.81 km) |
| Porsgrunn to Capaci | 1,455.85 mi (2,342.97 km) |
| Porsgrunn to Capannori | 1,055.37 mi (1,698.46 km) |
| Porsgrunn to Capena | 1,179.16 mi (1,897.67 km) |
| Porsgrunn to Capo d'Orlando | 1,465.64 mi (2,358.72 km) |
