| Horn-Bad Meinberg to Oegstgeest | 192.37 mi (309.58 km) |
| Horn-Bad Meinberg to Oirschot | 159.25 mi (256.28 km) |
| Horn-Bad Meinberg to Oisterwijk | 162.49 mi (261.50 km) |
| Horn-Bad Meinberg to Oldebroek | 135.72 mi (218.43 km) |
| Horn-Bad Meinberg to Oldenzaal | 91.35 mi (147.01 km) |
| Horn-Bad Meinberg to Ommen | 116.51 mi (187.50 km) |
| Horn-Bad Meinberg to Oosterend | 144.59 mi (232.70 km) |
| Horn-Bad Meinberg to Oosterhout | 176.50 mi (284.06 km) |
| Horn-Bad Meinberg to Oosterwolde | 136.18 mi (219.16 km) |
| Horn-Bad Meinberg to Oostzaan | 177.18 mi (285.15 km) |
| Horn-Bad Meinberg to Opmeer | 178.85 mi (287.83 km) |
| Horn-Bad Meinberg to Oss | 147.54 mi (237.44 km) |
| Horn-Bad Meinberg to Oud-Beijerland | 194.93 mi (313.71 km) |
| Horn-Bad Meinberg to Oudenbosch | 191.15 mi (307.63 km) |
| Horn-Bad Meinberg to Oudewater | 174.82 mi (281.35 km) |
