| Porsgrunn to Houghton le Spring | 513.14 mi (825.82 km) |
| Porsgrunn to Houghton Regis | 637.80 mi (1,026.43 km) |
| Porsgrunn to Hounslow | 659.35 mi (1,061.12 km) |
| Porsgrunn to Hove | 691.98 mi (1,113.64 km) |
| Porsgrunn to Hoyland Nether | 575.98 mi (926.95 km) |
| Porsgrunn to Hucclecote | 682.68 mi (1,098.67 km) |
| Porsgrunn to Huddersfield | 578.34 mi (930.75 km) |
| Porsgrunn to Huntingdon | 604.73 mi (973.22 km) |
| Porsgrunn to Huntington | 540.13 mi (869.26 km) |
| Porsgrunn to Huyton | 620.61 mi (998.78 km) |
| Porsgrunn to Hwlffordd | 762.71 mi (1,227.46 km) |
| Porsgrunn to Hyde | 596.78 mi (960.42 km) |
| Porsgrunn to Hythe | 718.17 mi (1,155.78 km) |
| Porsgrunn to Hythe | 650.92 mi (1,047.56 km) |
| Porsgrunn to Ickenham | 655.79 mi (1,055.40 km) |
