| Porsgrunn to Granadilla de Abona | 2,478.46 mi (3,988.69 km) |
| Porsgrunn to Granollers | 1,251.25 mi (2,013.69 km) |
| Porsgrunn to Grinon | 1,433.35 mi (2,306.75 km) |
| Porsgrunn to Guadalajara | 1,394.15 mi (2,243.67 km) |
| Porsgrunn to Guadarrama | 1,408.12 mi (2,266.15 km) |
| Porsgrunn to Guadix | 1,612.65 mi (2,595.30 km) |
| Porsgrunn to Guardamar del Segura | 1,523.83 mi (2,452.37 km) |
| Porsgrunn to Guernica y Luno | 1,211.41 mi (1,949.58 km) |
| Porsgrunn to Guia de Isora | 2,477.08 mi (3,986.48 km) |
| Porsgrunn to Guillena | 1,648.06 mi (2,652.30 km) |
| Porsgrunn to Guimar | 2,461.73 mi (3,961.78 km) |
| Porsgrunn to Hellin | 1,509.79 mi (2,429.77 km) |
| Porsgrunn to Herencia | 1,480.16 mi (2,382.09 km) |
| Porsgrunn to Hernani | 1,202.09 mi (1,934.58 km) |
| Porsgrunn to Hoyo de Manzanares | 1,406.91 mi (2,264.21 km) |
