| Porsgrunn to Bayona | 1,418.22 mi (2,282.41 km) |
| Porsgrunn to Baza | 1,594.76 mi (2,566.53 km) |
| Porsgrunn to Beasain | 1,220.31 mi (1,963.90 km) |
| Porsgrunn to Bejar | 1,458.99 mi (2,348.02 km) |
| Porsgrunn to Benaguacil | 1,422.40 mi (2,289.13 km) |
| Porsgrunn to Benahavis | 1,695.96 mi (2,729.38 km) |
| Porsgrunn to Benalmadena | 1,681.53 mi (2,706.16 km) |
| Porsgrunn to Benavente | 1,354.18 mi (2,179.35 km) |
| Porsgrunn to Benetuser | 1,431.02 mi (2,303.00 km) |
| Porsgrunn to Beniajan | 1,536.55 mi (2,472.83 km) |
| Porsgrunn to Benicarlo | 1,353.88 mi (2,178.86 km) |
| Porsgrunn to Benicasim | 1,382.70 mi (2,225.24 km) |
| Porsgrunn to Beniel | 1,531.43 mi (2,464.60 km) |
| Porsgrunn to Benifayo | 1,440.83 mi (2,318.79 km) |
| Porsgrunn to Benisa | 1,472.69 mi (2,370.06 km) |
