| Round Rock to Saint-Hilaire-de-Riez | 4,966.65 mi (7,993.05 km) |
| Round Rock to Saint-Jacques-de-la-Lande | 4,936.51 mi (7,944.54 km) |
| Round Rock to Saint-Jean | 5,212.32 mi (8,388.42 km) |
| Round Rock to Saint-Jean-d'Illac | 5,075.27 mi (8,167.85 km) |
| Round Rock to Saint-Jean-de-Braye | 5,093.63 mi (8,197.40 km) |
| Round Rock to Saint-Jean-de-la-Ruelle | 5,089.58 mi (8,190.88 km) |
| Round Rock to Saint-Jean-de-Luz | 5,080.65 mi (8,176.52 km) |
| Round Rock to Saint-Jean-de-Monts | 4,959.61 mi (7,981.73 km) |
| Round Rock to Saint-Jean-de-Vedas | 5,316.53 mi (8,556.13 km) |
| Round Rock to Saint-Jean-le-Blanc | 5,092.06 mi (8,194.88 km) |
| Round Rock to Saint-Julien-en-Genevois | 5,322.28 mi (8,565.39 km) |
| Round Rock to Saint-Junien | 5,113.93 mi (8,230.08 km) |
| Round Rock to Saint-Laurent-de-la-Salanque | 5,307.64 mi (8,541.82 km) |
| Round Rock to Saint-Laurent-du-Var | 5,457.56 mi (8,783.09 km) |
| Round Rock to Saint-Leu-la-Foret | 5,069.26 mi (8,158.19 km) |
