| Saint-Brieuc to Sangeorz-Bai | 1,265.91 mi (2,037.29 km) |
| Saint-Brieuc to Sannicolau Mare | 1,104.18 mi (1,777.00 km) |
| Saint-Brieuc to Santana | 1,139.06 mi (1,833.14 km) |
| Saint-Brieuc to Satu Mare | 1,178.11 mi (1,895.99 km) |
| Saint-Brieuc to Scobinti | 1,367.97 mi (2,201.53 km) |
| Saint-Brieuc to Scornicesti | 1,318.93 mi (2,122.62 km) |
| Saint-Brieuc to Sebes | 1,241.68 mi (1,998.28 km) |
| Saint-Brieuc to Seini | 1,196.67 mi (1,925.86 km) |
| Saint-Brieuc to Sfantu-Gheorghe | 1,345.14 mi (2,164.79 km) |
| Saint-Brieuc to Sibiu | 1,271.87 mi (2,046.87 km) |
| Saint-Brieuc to Sighetu Marmatiei | 1,221.60 mi (1,965.98 km) |
| Saint-Brieuc to Sighisoara | 1,292.20 mi (2,079.59 km) |
| Saint-Brieuc to Simeria | 1,218.39 mi (1,960.80 km) |
| Saint-Brieuc to Sinaia | 1,345.82 mi (2,165.88 km) |
| Saint-Brieuc to Slatina | 1,314.04 mi (2,114.74 km) |
