| Blackrock to Saint-Nazaire | 451.58 mi (726.75 km) |
| Blackrock to Saint-Omer | 399.45 mi (642.85 km) |
| Blackrock to Saint-Orens-de-Gameville | 759.80 mi (1,222.77 km) |
| Blackrock to Saint-Ouen | 477.28 mi (768.11 km) |
| Blackrock to Saint-Ouen-l'Aumone | 463.64 mi (746.16 km) |
| Blackrock to Saint-Paul-les-Dax | 701.53 mi (1,129.00 km) |
| Blackrock to Saint-Paul-Trois-Chateaux | 792.24 mi (1,274.99 km) |
| Blackrock to Saint-Philbert-de-Grand-Lieu | 477.04 mi (767.73 km) |
| Blackrock to Saint-Pierre-des-Corps | 508.91 mi (819.01 km) |
| Blackrock to Saint-Pierre-du-Mont | 699.74 mi (1,126.12 km) |
| Blackrock to Saint-Pierre-du-Perray | 496.80 mi (799.53 km) |
| Blackrock to Saint-Pol-sur-Mer | 393.42 mi (633.14 km) |
| Blackrock to Saint-Priest | 723.07 mi (1,163.67 km) |
| Blackrock to Saint-Quentin | 470.70 mi (757.52 km) |
| Blackrock to Saint-Rambert | 712.70 mi (1,146.99 km) |
