| Horn-Bad Meinberg to Ottendorf-Okrilla | 214.41 mi (345.06 km) |
| Horn-Bad Meinberg to Ottersberg | 84.42 mi (135.86 km) |
| Horn-Bad Meinberg to Ottobrunn | 289.66 mi (466.16 km) |
| Horn-Bad Meinberg to Ottweiler | 190.93 mi (307.27 km) |
| Horn-Bad Meinberg to Overath | 96.52 mi (155.33 km) |
| Horn-Bad Meinberg to Oyten | 81.41 mi (131.01 km) |
| Horn-Bad Meinberg to Paderborn | 14.58 mi (23.47 km) |
| Horn-Bad Meinberg to Papenburg | 105.03 mi (169.03 km) |
| Horn-Bad Meinberg to Parchim | 160.18 mi (257.78 km) |
| Horn-Bad Meinberg to Pasewalk | 238.48 mi (383.79 km) |
| Horn-Bad Meinberg to Passau | 302.86 mi (487.41 km) |
| Horn-Bad Meinberg to Pattensen | 43.08 mi (69.33 km) |
| Horn-Bad Meinberg to Pegnitz | 185.07 mi (297.85 km) |
| Horn-Bad Meinberg to Peine | 61.67 mi (99.24 km) |
| Horn-Bad Meinberg to Peissenberg | 297.45 mi (478.70 km) |
