| Porsgrunn to Beuvry | 655.73 mi (1,055.29 km) |
| Porsgrunn to Beziers | 1,123.80 mi (1,808.57 km) |
| Porsgrunn to Bezons | 765.78 mi (1,232.41 km) |
| Porsgrunn to Biarritz | 1,181.22 mi (1,901.00 km) |
| Porsgrunn to Biganos | 1,095.76 mi (1,763.46 km) |
| Porsgrunn to Billere | 1,173.86 mi (1,889.14 km) |
| Porsgrunn to Biot | 1,075.77 mi (1,731.28 km) |
| Porsgrunn to Biscarrosse | 1,115.21 mi (1,794.76 km) |
| Porsgrunn to Bischheim | 729.89 mi (1,174.64 km) |
| Porsgrunn to Bischwiller | 718.95 mi (1,157.04 km) |
| Porsgrunn to Blagnac | 1,126.04 mi (1,812.19 km) |
| Porsgrunn to Blain | 930.50 mi (1,497.49 km) |
| Porsgrunn to Blanquefort | 1,072.70 mi (1,726.35 km) |
| Porsgrunn to Blois | 866.30 mi (1,394.18 km) |
| Porsgrunn to Bobigny | 763.33 mi (1,228.45 km) |
