| Caerfyrddin to Oststeinbek | 616.35 mi (991.92 km) |
| Caerfyrddin to Ottendorf-Okrilla | 779.39 mi (1,254.31 km) |
| Caerfyrddin to Ottersberg | 572.28 mi (921.00 km) |
| Caerfyrddin to Ottobrunn | 755.20 mi (1,215.38 km) |
| Caerfyrddin to Ottweiler | 531.35 mi (855.12 km) |
| Caerfyrddin to Overath | 504.03 mi (811.16 km) |
| Caerfyrddin to Oyten | 566.66 mi (911.95 km) |
| Caerfyrddin to Paderborn | 557.95 mi (897.94 km) |
| Caerfyrddin to Papenburg | 499.68 mi (804.16 km) |
| Caerfyrddin to Parchim | 684.16 mi (1,101.04 km) |
| Caerfyrddin to Pasewalk | 773.42 mi (1,244.71 km) |
| Caerfyrddin to Passau | 815.84 mi (1,312.97 km) |
| Caerfyrddin to Pattensen | 597.96 mi (962.32 km) |
| Caerfyrddin to Pegnitz | 706.06 mi (1,136.29 km) |
| Caerfyrddin to Peine | 617.48 mi (993.74 km) |
