| Porthcawl to Grobenzell | 706.64 mi (1,137.23 km) |
| Porthcawl to Gronau | 460.43 mi (740.99 km) |
| Porthcawl to Gross Kreutz | 703.01 mi (1,131.38 km) |
| Porthcawl to Gross-Gerau | 542.94 mi (873.77 km) |
| Porthcawl to Gross-Umstadt | 563.11 mi (906.24 km) |
| Porthcawl to Gross-Zimmern | 558.77 mi (899.25 km) |
| Porthcawl to Grossbeeren | 725.22 mi (1,167.13 km) |
| Porthcawl to Grossbottwar | 597.81 mi (962.08 km) |
| Porthcawl to Grossburgwedel | 579.87 mi (933.20 km) |
| Porthcawl to Grossenhain | 741.85 mi (1,193.89 km) |
| Porthcawl to Grossenkneten | 515.61 mi (829.80 km) |
| Porthcawl to Grossenluder | 577.37 mi (929.19 km) |
| Porthcawl to Grosshansdorf | 604.12 mi (972.24 km) |
| Porthcawl to Grossostheim | 568.57 mi (915.03 km) |
| Porthcawl to Grossraschen | 758.52 mi (1,220.73 km) |
