| Boulogne-sur-Mer to Nymburk | 591.01 mi (951.14 km) |
| Boulogne-sur-Mer to Olomouc | 695.21 mi (1,118.83 km) |
| Boulogne-sur-Mer to Opava | 719.05 mi (1,157.20 km) |
| Boulogne-sur-Mer to Orlova | 743.24 mi (1,196.14 km) |
| Boulogne-sur-Mer to Ostrava | 737.35 mi (1,186.65 km) |
| Boulogne-sur-Mer to Ostrov | 497.89 mi (801.27 km) |
| Boulogne-sur-Mer to Otrokovice | 713.63 mi (1,148.47 km) |
| Boulogne-sur-Mer to Pardubice | 624.90 mi (1,005.69 km) |
| Boulogne-sur-Mer to Pelhrimov | 609.11 mi (980.26 km) |
| Boulogne-sur-Mer to Pisek | 564.24 mi (908.06 km) |
| Boulogne-sur-Mer to Plzen | 523.65 mi (842.73 km) |
| Boulogne-sur-Mer to Podebrady | 594.85 mi (957.32 km) |
| Boulogne-sur-Mer to Policka | 650.36 mi (1,046.66 km) |
| Boulogne-sur-Mer to Prachatice | 563.28 mi (906.52 km) |
| Boulogne-sur-Mer to Prague | 564.96 mi (909.21 km) |
