| Bad Honnef am Rhein to Ottendorf-Okrilla | 289.75 mi (466.30 km) |
| Bad Honnef am Rhein to Ottersberg | 188.40 mi (303.21 km) |
| Bad Honnef am Rhein to Ottobrunn | 267.61 mi (430.67 km) |
| Bad Honnef am Rhein to Ottweiler | 88.36 mi (142.21 km) |
| Bad Honnef am Rhein to Overath | 21.31 mi (34.30 km) |
| Bad Honnef am Rhein to Oyten | 183.59 mi (295.45 km) |
| Bad Honnef am Rhein to Paderborn | 99.36 mi (159.90 km) |
| Bad Honnef am Rhein to Papenburg | 167.49 mi (269.54 km) |
| Bad Honnef am Rhein to Parchim | 273.79 mi (440.62 km) |
| Bad Honnef am Rhein to Pasewalk | 348.56 mi (560.95 km) |
| Bad Honnef am Rhein to Passau | 313.65 mi (504.77 km) |
| Bad Honnef am Rhein to Pattensen | 156.54 mi (251.93 km) |
| Bad Honnef am Rhein to Pegnitz | 200.57 mi (322.78 km) |
| Bad Honnef am Rhein to Peine | 173.57 mi (279.33 km) |
| Bad Honnef am Rhein to Peissenberg | 262.04 mi (421.72 km) |
