| Gronau to Bougival | 315.83 mi (508.28 km) |
| Gronau to Bouguenais | 519.88 mi (836.66 km) |
| Gronau to Boulogne-Billancourt | 314.38 mi (505.95 km) |
| Gronau to Boulogne-sur-Mer | 255.07 mi (410.49 km) |
| Gronau to Bourg-de-Peage | 503.95 mi (811.02 km) |
| Gronau to Bourg-en-Bresse | 422.99 mi (680.74 km) |
| Gronau to Bourg-la-Reine | 315.17 mi (507.22 km) |
| Gronau to Bourg-les-Valence | 511.40 mi (823.02 km) |
| Gronau to Bourges | 410.57 mi (660.74 km) |
| Gronau to Bourgoin-Jallieu | 464.79 mi (748.01 km) |
| Gronau to Bressuire | 501.32 mi (806.80 km) |
| Gronau to Brest | 572.48 mi (921.32 km) |
| Gronau to Bretigny-sur-Orge | 324.49 mi (522.22 km) |
| Gronau to Breuillet | 330.76 mi (532.31 km) |
| Gronau to Briancon | 505.87 mi (814.13 km) |
