| Porsgrunn to Frederick (Maryland) | 3,841.38 mi (6,182.11 km) |
| Porsgrunn to Fredericksburg (Texas) | 5,048.45 mi (8,124.70 km) |
| Porsgrunn to Fredericksburg (Virginia) | 3,905.44 mi (6,285.19 km) |
| Porsgrunn to Frederickson (Washington) | 4,613.36 mi (7,424.48 km) |
| Porsgrunn to Freeport (Illinois) | 4,072.96 mi (6,554.80 km) |
| Porsgrunn to Freeport (New York) | 3,648.36 mi (5,871.46 km) |
| Porsgrunn to Freeport (Texas) | 5,018.17 mi (8,075.96 km) |
| Porsgrunn to Fremont (California) | 5,210.01 mi (8,384.70 km) |
| Porsgrunn to Fremont (Nebraska) | 4,323.25 mi (6,957.61 km) |
| Porsgrunn to Fremont (Ohio) | 3,922.29 mi (6,312.32 km) |
| Porsgrunn to French Valley (California) | 5,345.52 mi (8,602.78 km) |
| Porsgrunn to Fresno (California) | 5,208.45 mi (8,382.19 km) |
| Porsgrunn to Fresno (Texas) | 4,986.75 mi (8,025.40 km) |
| Porsgrunn to Fridley (Minnesota) | 4,023.86 mi (6,475.77 km) |
| Porsgrunn to Friendly (Maryland) | 3,862.94 mi (6,216.80 km) |
