| Pen-y-Bont ar Ogwr to Oststeinbek | 593.65 mi (955.39 km) |
| Pen-y-Bont ar Ogwr to Ottendorf-Okrilla | 749.74 mi (1,206.59 km) |
| Pen-y-Bont ar Ogwr to Ottersberg | 548.13 mi (882.12 km) |
| Pen-y-Bont ar Ogwr to Ottobrunn | 718.81 mi (1,156.81 km) |
| Pen-y-Bont ar Ogwr to Ottweiler | 494.92 mi (796.49 km) |
| Pen-y-Bont ar Ogwr to Overath | 471.81 mi (759.31 km) |
| Pen-y-Bont ar Ogwr to Oyten | 542.37 mi (872.87 km) |
| Pen-y-Bont ar Ogwr to Paderborn | 528.70 mi (850.87 km) |
| Pen-y-Bont ar Ogwr to Papenburg | 475.83 mi (765.77 km) |
| Pen-y-Bont ar Ogwr to Parchim | 660.69 mi (1,063.28 km) |
| Pen-y-Bont ar Ogwr to Pasewalk | 750.00 mi (1,207.01 km) |
| Pen-y-Bont ar Ogwr to Passau | 780.95 mi (1,256.82 km) |
| Pen-y-Bont ar Ogwr to Pattensen | 570.70 mi (918.46 km) |
| Pen-y-Bont ar Ogwr to Pegnitz | 672.47 mi (1,082.24 km) |
| Pen-y-Bont ar Ogwr to Peine | 590.43 mi (950.21 km) |
