| Didcot to Bagnolet | 248.74 mi (400.31 km) |
| Didcot to Bagnols-sur-Ceze | 581.15 mi (935.27 km) |
| Didcot to Bailleul | 182.32 mi (293.42 km) |
| Didcot to Balma | 566.89 mi (912.32 km) |
| Didcot to Bar-le-Duc | 344.35 mi (554.18 km) |
| Didcot to Barentin | 171.92 mi (276.68 km) |
| Didcot to Basse-Goulaine | 303.54 mi (488.49 km) |
| Didcot to Bastia | 792.62 mi (1,275.61 km) |
| Didcot to Bayeux | 162.53 mi (261.57 km) |
| Didcot to Bayonne | 560.87 mi (902.63 km) |
| Didcot to Beaucaire | 603.85 mi (971.80 km) |
| Didcot to Beauchamp | 234.46 mi (377.32 km) |
| Didcot to Beaumont | 449.84 mi (723.94 km) |
| Didcot to Beaumont-sur-Oise | 230.45 mi (370.88 km) |
| Didcot to Beaune | 418.27 mi (673.15 km) |
