| Black Forest to Oststeinbek | 4,958.12 mi (7,979.32 km) |
| Black Forest to Ottendorf-Okrilla | 5,182.57 mi (8,340.54 km) |
| Black Forest to Ottersberg | 4,947.32 mi (7,961.94 km) |
| Black Forest to Ottobrunn | 5,264.91 mi (8,473.06 km) |
| Black Forest to Ottweiler | 5,053.27 mi (8,132.46 km) |
| Black Forest to Overath | 4,985.96 mi (8,024.13 km) |
| Black Forest to Oyten | 4,944.99 mi (7,958.20 km) |
| Black Forest to Paderborn | 4,998.20 mi (8,043.82 km) |
| Black Forest to Papenburg | 4,893.98 mi (7,876.10 km) |
| Black Forest to Parchim | 5,014.47 mi (8,070.02 km) |
| Black Forest to Pasewalk | 5,074.61 mi (8,166.80 km) |
| Black Forest to Passau | 5,298.88 mi (8,527.72 km) |
| Black Forest to Pattensen | 5,004.97 mi (8,054.72 km) |
| Black Forest to Pegnitz | 5,179.78 mi (8,336.06 km) |
| Black Forest to Peine | 5,017.07 mi (8,074.20 km) |
