| Porsgrunn to Normanton | 565.36 mi (909.86 km) |
| Porsgrunn to North Hykeham | 568.95 mi (915.64 km) |
| Porsgrunn to North Shields | 505.06 mi (812.82 km) |
| Porsgrunn to North Tidworth | 703.56 mi (1,132.26 km) |
| Porsgrunn to North Walsham | 540.20 mi (869.36 km) |
| Porsgrunn to Northallerton | 534.82 mi (860.71 km) |
| Porsgrunn to Northampton | 628.61 mi (1,011.65 km) |
| Porsgrunn to Northenden | 603.82 mi (971.76 km) |
| Porsgrunn to Northfield | 646.88 mi (1,041.06 km) |
| Porsgrunn to Northfleet | 644.64 mi (1,037.44 km) |
| Porsgrunn to Northolt | 654.60 mi (1,053.48 km) |
| Porsgrunn to Northwich | 618.65 mi (995.62 km) |
| Porsgrunn to Northwood | 652.58 mi (1,050.23 km) |
| Porsgrunn to Norton | 519.84 mi (836.60 km) |
| Porsgrunn to Norwich | 553.50 mi (890.78 km) |
