| Porsgrunn to Glen Carbon (Illinois) | 4,281.97 mi (6,891.17 km) |
| Porsgrunn to Glen Cove (New York) | 3,638.18 mi (5,855.09 km) |
| Porsgrunn to Glen Ellyn (Illinois) | 4,048.61 mi (6,515.61 km) |
| Porsgrunn to Glen Rock (New Jersey) | 3,650.06 mi (5,874.20 km) |
| Porsgrunn to Glendale (Arizona) | 5,224.57 mi (8,408.14 km) |
| Porsgrunn to Glendale (California) | 5,336.32 mi (8,587.98 km) |
| Porsgrunn to Glendale (Wisconsin) | 3,974.68 mi (6,396.64 km) |
| Porsgrunn to Glendale Heights (Illinois) | 4,046.15 mi (6,511.65 km) |
| Porsgrunn to Glendora (California) | 5,329.13 mi (8,576.40 km) |
| Porsgrunn to Glenmont (Maryland) | 3,848.89 mi (6,194.19 km) |
| Porsgrunn to Glenn Dale (Maryland) | 3,845.49 mi (6,188.72 km) |
| Porsgrunn to Glenn Heights (Texas) | 4,851.79 mi (7,808.20 km) |
| Porsgrunn to Glenpool (Oklahoma) | 4,626.95 mi (7,446.35 km) |
| Porsgrunn to Glens Falls (New York) | 3,510.56 mi (5,649.71 km) |
| Porsgrunn to Glenvar Heights (Florida) | 4,709.11 mi (7,578.58 km) |
