| Cities | Distance |
|---|---|
| Ennis to Oegstgeest | 566.44 mi (911.60 km) |
| Ennis to Oirschot | 611.18 mi (983.60 km) |
| Ennis to Oisterwijk | 605.61 mi (974.63 km) |
| Ennis to Oldebroek | 623.28 mi (1,003.06 km) |
| Ennis to Oldenzaal | 667.75 mi (1,074.65 km) |
| Ennis to Ommen | 644.13 mi (1,036.62 km) |
| Ennis to Oosterend | 625.71 mi (1,006.98 km) |
| Ennis to Oosterhout | 590.33 mi (950.04 km) |
| Ennis to Oosterwolde | 635.11 mi (1,022.11 km) |
| Ennis to Oostzaan | 581.08 mi (935.16 km) |
| Ennis to Opmeer | 581.47 mi (935.79 km) |
| Ennis to Oss | 615.91 mi (991.22 km) |
| Ennis to Oud-Beijerland | 568.58 mi (915.04 km) |
| Ennis to Oudenbosch | 577.34 mi (929.13 km) |
| Ennis to Oudewater | 585.24 mi (941.85 km) |