| Olen to Tuam | 600.04 mi (965.67 km) |
| Olen to Tullamore | 542.18 mi (872.56 km) |
| Olen to Waterford | 517.99 mi (833.63 km) |
| Olen to Wexford | 490.11 mi (788.75 km) |
| Olen to Wicklow | 478.69 mi (770.38 km) |
| Olen to Abano Terme | 511.34 mi (822.92 km) |
| Olen to Abbiategrasso | 438.93 mi (706.39 km) |
| Olen to Acate | 1,084.26 mi (1,744.94 km) |
| Olen to Acerra | 838.07 mi (1,348.74 km) |
| Olen to Aci Castello | 1,065.80 mi (1,715.25 km) |
| Olen to Aci Catena | 1,062.73 mi (1,710.31 km) |
| Olen to Aci Sant'Antonio | 1,062.35 mi (1,709.69 km) |
| Olen to Acireale | 1,062.46 mi (1,709.87 km) |
| Olen to Acquaviva delle Fonti | 910.28 mi (1,464.96 km) |
| Olen to Acqui Terme | 477.51 mi (768.48 km) |
