| Karczew to Bougival | 866.44 mi (1,394.40 km) |
| Karczew to Bouguenais | 1,072.93 mi (1,726.71 km) |
| Karczew to Boulogne-Billancourt | 862.95 mi (1,388.78 km) |
| Karczew to Boulogne-sur-Mer | 848.85 mi (1,366.09 km) |
| Karczew to Bourg-de-Peage | 883.36 mi (1,421.64 km) |
| Karczew to Bourg-en-Bresse | 827.65 mi (1,331.98 km) |
| Karczew to Bourg-la-Reine | 861.29 mi (1,386.11 km) |
| Karczew to Bourg-les-Valence | 893.17 mi (1,437.41 km) |
| Karczew to Bourges | 909.13 mi (1,463.10 km) |
| Karczew to Bourgoin-Jallieu | 851.32 mi (1,370.06 km) |
| Karczew to Bressuire | 1,036.46 mi (1,668.03 km) |
| Karczew to Brest | 1,159.23 mi (1,865.60 km) |
| Karczew to Bretigny-sur-Orge | 866.19 mi (1,393.99 km) |
| Karczew to Breuillet | 873.07 mi (1,405.07 km) |
| Karczew to Briancon | 830.85 mi (1,337.13 km) |
